McRogueFace/tests/dijkstra_demo_working.py

137 lines
4.1 KiB
Python

#!/usr/bin/env python3
"""
Working Dijkstra Demo with Clear Visual Feedback
================================================
This demo shows pathfinding with high-contrast colors.
"""
import mcrfpy
import sys
# High contrast colors
WALL_COLOR = mcrfpy.Color(40, 20, 20) # Very dark red/brown for walls
FLOOR_COLOR = mcrfpy.Color(60, 60, 80) # Dark blue-gray for floors
PATH_COLOR = mcrfpy.Color(0, 255, 0) # Pure green for paths
START_COLOR = mcrfpy.Color(255, 0, 0) # Red for start
END_COLOR = mcrfpy.Color(0, 0, 255) # Blue for end
print("Dijkstra Demo - High Contrast")
print("==============================")
# Create scene
mcrfpy.createScene("dijkstra_demo")
# Create grid with exact layout from user
grid = mcrfpy.Grid(grid_x=14, grid_y=10)
grid.fill_color = mcrfpy.Color(0, 0, 0)
# Map layout
map_layout = [
"..............", # Row 0
"..W.....WWWW..", # Row 1
"..W.W...W.EW..", # Row 2
"..W.....W..W..", # Row 3
"..W...E.WWWW..", # Row 4
"E.W...........", # Row 5
"..W...........", # Row 6
"..W...........", # Row 7
"..W.WWW.......", # Row 8
"..............", # Row 9
]
# Create the map
entity_positions = []
for y, row in enumerate(map_layout):
for x, char in enumerate(row):
cell = grid.at(x, y)
if char == 'W':
cell.walkable = False
cell.color = WALL_COLOR
else:
cell.walkable = True
cell.color = FLOOR_COLOR
if char == 'E':
entity_positions.append((x, y))
print(f"Map created: {grid.grid_x}x{grid.grid_y}")
print(f"Entity positions: {entity_positions}")
# Create entities
entities = []
for i, (x, y) in enumerate(entity_positions):
entity = mcrfpy.Entity(x, y)
entity.sprite_index = 49 + i # '1', '2', '3'
grid.entities.append(entity)
entities.append(entity)
print(f"Entity {i+1} at ({x}, {y})")
# Highlight a path immediately
if len(entities) >= 2:
e1, e2 = entities[0], entities[1]
print(f"\nCalculating path from Entity 1 ({e1.x}, {e1.y}) to Entity 2 ({e2.x}, {e2.y})...")
path = e1.path_to(int(e2.x), int(e2.y))
print(f"Path found: {path}")
print(f"Path length: {len(path)} steps")
if path:
print("\nHighlighting path in bright green...")
# Color start and end specially
grid.at(int(e1.x), int(e1.y)).color = START_COLOR
grid.at(int(e2.x), int(e2.y)).color = END_COLOR
# Color the path
for i, (x, y) in enumerate(path):
if i > 0 and i < len(path) - 1: # Skip start and end
grid.at(x, y).color = PATH_COLOR
print(f" Colored ({x}, {y}) green")
# Keypress handler
def handle_keypress(scene_name, keycode):
if keycode == 81 or keycode == 113 or keycode == 256: # Q/q/ESC
print("\nExiting...")
sys.exit(0)
elif keycode == 32: # Space
print("\nRefreshing path colors...")
# Re-color the path to ensure it's visible
if len(entities) >= 2 and path:
for x, y in path[1:-1]:
grid.at(x, y).color = PATH_COLOR
# Set up UI
ui = mcrfpy.sceneUI("dijkstra_demo")
ui.append(grid)
# Scale grid
grid.size = (560, 400) # 14*40, 10*40
grid.position = (120, 100)
# Add title
title = mcrfpy.Caption("Dijkstra Pathfinding - High Contrast", 200, 20)
title.fill_color = mcrfpy.Color(255, 255, 255)
ui.append(title)
# Add legend
legend1 = mcrfpy.Caption("Red=Start, Blue=End, Green=Path", 120, 520)
legend1.fill_color = mcrfpy.Color(200, 200, 200)
ui.append(legend1)
legend2 = mcrfpy.Caption("Press Q to quit, SPACE to refresh", 120, 540)
legend2.fill_color = mcrfpy.Color(150, 150, 150)
ui.append(legend2)
# Entity info
info = mcrfpy.Caption(f"Path: Entity 1 to 2 = {len(path) if 'path' in locals() else 0} steps", 120, 60)
info.fill_color = mcrfpy.Color(255, 255, 100)
ui.append(info)
# Set up input
mcrfpy.keypressScene(handle_keypress)
mcrfpy.setScene("dijkstra_demo")
print("\nDemo ready! The path should be clearly visible in bright green.")
print("Red = Start, Blue = End, Green = Path")
print("Press SPACE to refresh colors if needed.")